Non-Landau Damping of Magnetic Excitations in Systems with Localized and Itinerant Electrons
We discuss the form of the damping of magnetic excitations in a metal near a ferromagnetic instability. The paramagnon theory predicts that the damping term should have the form γ(q,Ω)â̂ Ω/Γ(q), with Γ(q)â̂ q (the Landau damping). However, the experiments on uranium metallic compounds UGe2 and UCoGe...
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| Main Authors: | , , |
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| Format: | Default Article |
| Published: |
2014
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| Subjects: | |
| Online Access: | https://hdl.handle.net/2134/18918 |
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